Hydrological Atlas of Switzerland

Hydrological Atlas of Switzerland – Plate 5.9

Retention is influenced by flow processes within the channel and from the floodplain (hydraulics) as well as by the way the flood develops and thus by its origins (hydrology). This plate includes examples which show the various possible effects of retention; an overview indicates in which rivers substantial attenuation of floods can be expected. Overall the plate shows that major flooding is effectively attenuated through natural retention in only a surprisingly small number of catchments.


In digital form:

Plate of the Atlas as pdf (5280kb)
Explanatory text (taken without changes from the Hydrological Atlas)


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